Abdulrhman, Harith B. “EFFECT OF SPRAYING ALGA 600 ON THE GROWTH AND YIELD OF TWO VARIETIES OF THE RADISH Raphanus Sativus L. ”. Diyala Agricultural Sciences Journal , vol. 6, no. 1, June 2014, pp. 172-8, https://journal.djas.uodiyala.edu.iq/index.php/dasj/article/view/1670.